Welding & Induction Heating

Why Choose Our Solution

Committed to a long product life cycle and high-end technology development, Fairchild delivers quality and reliability, acting as your technology and business partner. Our broad and deep power portfolios offer crucial cost- and energy-saving solutions that address the demanding requirements of a diverse range of low, medium and high power welding machine and induction heating application requirements.

Fairchild Product

Flyback Converter

Find the controller that offers the optimum combination of standby power and operating efficiency for popular power levels with this reference chart.

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Fairchild Product

Low-Side Gate Drivers

The FAN31xx and FAN32xx series of high-speed, low-side gate drivers offers flexibility for power supply designs, providing a wide selection of performance and packaging combinations to create compact, highly efficient and reliable power supplies.

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Fairchild Product

mWSaver® Technology

mWSaver Technology combines our most energy efficient process and circuit technologies for power adapter design into this unique

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Fairchild Product


Fairchild recently added the SuperFET II MOSFET family using the latest Super Junction Technology to the high-voltage power MOSFET portfolio.

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Fairchild Product


Fairchild brings designers of power supplies, lighting, display and industrial applications a new generation of 600V Super-Junction MOSFETs — SupreMOS®.

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Application NoteDescription
AN-6206Primary-Side Synchronous Rectifier (SR) Trigger Solution for Dual-Forward Converter
AN-4150Design Guidelines for Flyback Converters Using FSQ-Series Fairchild Power Switch (FPS™)
AN-9034Power MOSFET Avalanche Guideline
AN-4137Design Guidelines for Offline Flyback Converters using FPS™
AN-6069Application Review and Comparative Evaluation of Low-Side Gate Driver
AN-400ALow-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback
AN-6032FAN4800 Combo Controller Applications
AN-8027FAN480X PFC+PWM Combination Controller Application
AN-6083Highly Integrated, Dual-PWM Combination Controller
AN-8102Recommendations to Avoid Short Pulse Width Issues in HVIC Gate Driver Applications
AN-6076Design and Application Guide of Bootstrap Circuit for High-Voltage Gate-Drive IC
AN-42047Power Factor Correction (PFC) Basics
AN-6086Design Consideration for Interleaved Boundary Conduction Mode PFC Using FAN9611 / FAN9612
AN-4151Half-Bridge LLC Resonant Converter Design Using FSFR-Series Fairchild Power Switch (FPS™)
AN-9725Robust Body Diode Characteristics of the Latest Power MOSFETs, UniFET™ II for Resonant Converters
AN-7536FCS Fast Body Diode MOSFET for Phase-Shifted ZVS PWM Full Bridge DC/DC Converter
AN-4155Fairchilds Second-Generation, Field-Stop, Shorted-Anode, Trench IGBTs for Induction Heating Applications
AN-1031Considerations in Designing the Printed Circuit Boards of Embedded Switching Power Supplies
AN-7017Reducing Power Losses in MOSFETs by Controlling Gate Parameters
AN-8024Applying Fairchild Power Switch (FPS™) FSBH-series to Standby Auxiliary Power Supply
AN-4153Designing Asymmetric PWM Half-Bridge Converters with a Current Doubler and Synchronous Rectifier using FSFA-Series Fairchild Power Switches (FPS™)
AN-4140Transformer Design Consideration for Offline Flyback Converters Using Fairchild Power Switch (FPS™)
AN-4141Troubleshooting and Design Tips for Fairchild Power Switch (FPS™) Flyback Applications
AN-4148Audible Noise Reduction Techniques for FPS™ Applications
AN-4159Green Mode Fairchild Buck Switch FSL336LR
AN-41761 kV SenseFET Integrated Power Switch
AN-7520Numerical Method for Evaluating IGBT Losses
AN-9012Induction Heating System Topology Review
AN-7517Practical Aspects of Using PowerMOS Transistors to Drive Inductive Loads
AN-9020IGBT Basic II
AN-6060Guidelines on Leadforming, Trimming Lead Length, and Heatsink Mounting
AN-7512Parallel Operation Of Insulated Gate Transistors
AN-9742Devices selection guide for Half-Bridge Welding Machine [IGBT & Diode]
AN-7505Improved IGBTs with Fast Switching Speed And High-Current Capability
AN-FEBFSL306LRN-CS03User Guide for FEBFSL306LRN_CS03U01A Evaluation Board
AN-9016IGBT Basics 1
AN-6753Highly Integrated Green-Mode PWM Controller
AN-5844Green Mode Fairchild Buck Switch FSL306LR
AN-7531Implementing A Primary Side Peak-Current-Mode Half-Bridge Converter
AN-4147Design Guidelines for RCD Snubber of Flyback Converters